From 74396acc86a3d36dda2db43a007aa93f40cf58f8 Mon Sep 17 00:00:00 2001
From: "Alex Lam S.L" <alexlamsl@gmail.com>
Date: Wed, 11 Dec 2019 06:39:46 +0800
Subject: fix corner case in `loops` (#3635)

fixes #3634
---
 test/compress/loops.js | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'test')

diff --git a/test/compress/loops.js b/test/compress/loops.js
index 5f3b927d..db0fbb9a 100644
--- a/test/compress/loops.js
+++ b/test/compress/loops.js
@@ -879,3 +879,51 @@ loop_return: {
     }
     expect_stdout: "foo 42"
 }
+
+issue_3634_1: {
+    options = {
+        loops: true,
+    }
+    input: {
+        var b = 0;
+        L: while (++b < 2)
+            while (1)
+                if (b) break L;
+        console.log(b);
+    }
+    expect: {
+        var b = 0;
+        L: for (;++b < 2;)
+            for (;1;)
+                if (b) break L;
+        console.log(b);
+    }
+    expect_stdout: "1"
+}
+
+issue_3634_2: {
+    options = {
+        loops: true,
+    }
+    input: {
+        var b = 0;
+        L: while (++b < 2)
+            while (1)
+                if (!b)
+                    continue L;
+                else
+                    break L;
+        console.log(b);
+    }
+    expect: {
+        var b = 0;
+        L: for (;++b < 2;)
+            for (;1;)
+                if (!b)
+                    continue L;
+                else
+                    break L;
+        console.log(b);
+    }
+    expect_stdout: "1"
+}
-- 
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